#include <iostream>   
using namespace std;  /* 命名空间 */

int main()
{
    cout << "Size of char : " << sizeof(char)  << endl;
    cout << "Size of int : "  << sizeof(int)   << endl;
    cout << "Size of short int : " << sizeof(short int) << endl;
    cout << "Size of long int : "  << sizeof(long int)  << endl;
    cout << "Size of float : "   << sizeof(float)   << endl;
    cout << "Size of double : "  << sizeof(double)  << endl;
    cout << "Size of wchar_t : " << sizeof(wchar_t) << endl;
    return 0;
}

/* 运行结果 */
/*
Size of char : 1
Size of int : 4
Size of short int : 2
Size of long int : 8
Size of float : 4
Size of double : 8
Size of wchar_t : 4
*/
